code: def forward(self, net: Tensor) -> Tensor:
      pass
  
file_path: carefree-learn/cflearn/modules/blocks/mixed_stacks/schema.py
imports: from abc import abstractmethod
  from torch import Tensor
  from typing import Dict
  from typing import Type
  from typing import Tuple
  from typing import Optional
  from torch.nn import Module
  from cftool.misc import WithRegister
label_desc: Use image node_id 3 for calling the ChannelMixerBase obj's underlying member method code with example usage: obj.forward(net) without return types